March Weather in Puerto Rico





The tables below give the normal March temperatures and rainfall for cities and popular vacation spots in Puerto Rico. There's also information here on this month's average humidity and ocean temperature at San Juan.

The temperature and rain measurements are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

One site, Pico Del Este, is much cooler than others on the list. That's because it's a high mountain peak, at 3448 feet (1050 metres) elevation, in the El Yunque Caribbean National Forest.

Temperature

Average March temperatures in Puerto Rico
High °F Low °F Place High °C Low °C
84 67 Aguirre 29 20
76 62 Aibonito 24 17
86 63 Caguas 30 17
84 72 Ceiba 29 22
82 68 Dorado 28 20
86 72 Guayama 30 22
83 67 Isabela 28 20
84 65 Juncos 29 19
86 70 La Parguera 30 21
87 63 Lajas 31 17
84 70 Levittown 29 21
83 66 Manati 28 19
76 62 Maricao 24 16
87 68 Mayagüez 30 20
86 69 Mona Island 30 20
67 59 Pico Del Este 19 15
88 63 Ponce 31 17
85 72 San Juan 29 22

Ocean Temperature at San Juan, Puerto Rico averages 78 degrees Fahrenheit (26 degrees Celsius) in March.

Rainfall

Average total precipitation in March. Days are when it rains at least 0.01 inches (0.25 millimetres).
Days Place Inches Milli­metres
6 Aguirre 1.4 35
12 Aibonito 3.5 89
14 Caguas 3.9 99
14 Ceiba 1.8 47
9 Dorado 2.4 61
12 Guayama 1.9 48
11 Isabela 3.9 98
12 Juncos 2.9 73
La Parguera 2.7 69
8 Lajas 2.5 64
Levittown 3.5 88
10 Manati 4.1 103
Maricao 4.0 101
8 Mayagüez 2.1 53
9 Mona Island 2.2 55
7 Ponce 1.9 47
13 San Juan 2.2 55

Relative Humidity at San Juan, Puerto Rico in March averages 77 percent in the morning and 61 percent in the afternoon.

References

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

National Oceanographic Data Center. NODC Coastal Water Temperature Guide (CWTG).

Puerto Rico
Temperature & Rainfall
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